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Ausführliche Produkt-Beschreibung

DESFire EV1 D21 chip Wristbands / DESFire 2K chip Wristbands / NFC Wristbands DesFire 2K is the contactless IC card which is made under MF3 IC D21 ( DESfire EV1 D21). Usually it is called DESFire 2K according to ISO14443A. The UID has four bytes. The storage capacity is 2K. The date can be protected by electronic key.Power consumption: the induced currents without power, healthier, safer safety performance: lightning protection, anti-shock, to meet the requirements of